Datasheet > AH1177

AH1177

更新时间： 2024-01-30 08:32:19

品牌	Logo	应用领域
智原科技 - FARADAY		电视 LTE
页数	文件大小	规格书
3页	51K
描述
HDTV ANTIALIASING FILTERS

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中文翻译

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数据手册

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AH1177 数据手册

HDTV ANTIALIASING FILTERS

ZERO LOSS

Zero Insertion loss

Low output impedance via op-amp driver stage

Integer multiple clock delay between luminance and chrominance filters

Fully compliant to SMPTE 260M

pin DIP package

Meeting all the pre and post filtering characteristics of SMPTE 260M this range of HDTV antialiasing filters include a

video buffer to give 0dB insertion loss. This more complete and accurate solution removes some of the ambiguity of

optimising buffers and filters separately particularly illustrated at the high bandwidths required for HDTV applications.

Part number

AH1175

AH1176

Filter type

Luminance Pre

75 ohms

0 dB ± 0.05 dB

30 MHz

Luminance Post

75 ohms

Input Impedance

Insertion loss at 100 kHz

End of passband

Passband amplitude ripple

Group delay ripple

0 dB ± 0.05 dB

30 MHz

< 0.1 dB

< 0.1 dB ¹

< 2 ns to 20 MHz

< 3 ns to 30 MHz

112 ns ± 2 ns

> 12 dB

< 2 ns to 20 MHz

< 3 ns to 30 MHz

112 ns ± 2 ns

> 12 dB

Delay time at 200 kHz

Attenuation at 37.125 MHz wrt 100 kHz ¹

Attenuation at 44.25 MHz wrt 100 kHz

Start of stopband

Stopband attenuation wrt 100 kHz

Supply voltage

> 40 dB

54.25 MHz

> 50 dB to 150 MHz

± 5 volts

54.25 MHz

> 50 dB to 150 MHz

± 5 volts

Typical current

Aqueous Washable

5 mA per rail

Package

DR00161A

Part number

AH1177

AH1178

Filter type

Chrominance Pre

75 ohms

0 dB ± 0.05 dB

15 MHz

Chrominance Post

75 ohms

Input impedance

Insertion loss at 100 kHz

End of passband

Passband amplitude ripple

Group delay ripple

0 dB ± 0.05 dB

15 MHz

< 0.1 dB

< 0.1 dB ²

< 2 ns to 10 MHz

< 3 ns to 15 MHz

220 ns ± 3 ns

> 12 dB

< 2 ns to 10 MHz

< 3 ns to 15 MHz

215 ns ± 3 ns

> 12 dB

Delay time at 200 kHz

Attenuation at 18.5625 MHz wrt 100 kHz ²

Attenuation at 22.125 MHz wrt 100 kHz

Start of stopband

Stopband attenuation wrt 100 kHz

Supply voltage

> 40 dB

27.125 MHz

> 50 dB to 100 MHz

± 5 volts

27.125 MHz

> 50 dB to 100 MHz

± 5 volts

Typical current

Aqueous Washable

5 mA per rail

Package

DR00161A

¹Includes Sinx/x correction for a Sampling Frequency of 74.25 MHz.

without notice

FARA036d

Page 1 of 2

Dec-99(B)

12 3

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